view mercurial/node.py @ 27207:2d8dbeb2462c

histedit: change state.rules uses to state.actions This change is replacing most of state.rules uses with state.actions uses. The next change will change histeditstate class to actually uses state actions.
author Mateusz Kwapich <mitrandir@fb.com>
date Wed, 02 Dec 2015 12:19:01 -0800
parents 18f50b8cbf1e
children a3f3fdac8433
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# node.py - basic nodeid manipulation for mercurial
#
# Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

from __future__ import absolute_import

import binascii

# This ugly style has a noticeable effect in manifest parsing
hex = binascii.hexlify
bin = binascii.unhexlify

nullrev = -1
nullid = "\0" * 20
nullhex = hex(nullid)

# pseudo identifiers for working directory
# (they are experimental, so don't add too many dependencies on them)
wdirrev = 0x7fffffff
wdirid = "\xff" * 20

def short(node):
    return hex(node[:6])